Home / 86,601.72-129,906.18-27,436.08

Finding the Fourth Proportional to 86,601.72, 129,906.18 and 27,436.08

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Solution

The fourth proportional to 86,601.72, 129,906.18 and 27,436.08 is: 41,155.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,601.72 : 129,906.18 = 27,436.08 : x
  2. Step 2: Convert to fraction form
    86,601.72/129,906.18 = 27,436.08/x
  3. Step 3: Cross multiply
    86,601.72x = 129,906.18 × 27,436.08
  4. Step 4: Simplify right side
    86,601.72x = 3,564,116,346.97
  5. Step 5: Solve for x
    x = 3,564,116,346.97/86,601.72
  6. Step 6: Final answer
    x = 41,155.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.